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You want to reduce training cost by using a pre-trained model and early stopping. Which strategy best combines these to optimize cost effectively?

hard📝 Application Q15 of 15
Agentic AI - Production Agent Architecture
You want to reduce training cost by using a pre-trained model and early stopping. Which strategy best combines these to optimize cost effectively?
AStart training a large model from scratch and use early stopping after 20 epochs
BUse a pre-trained model but train all layers fully without early stopping
CTrain a small model without early stopping to save setup time
DUse a pre-trained model and fine-tune only last layers with early stopping monitoring validation loss
Step-by-Step Solution
Solution:
  1. Step 1: Understand pre-trained model benefits

    Pre-trained models save cost by reusing learned features, reducing training time.
  2. Step 2: Combine with early stopping

    Fine-tuning only last layers and using early stopping on validation loss stops training when no improvement, saving resources.
  3. Final Answer:

    Use a pre-trained model and fine-tune only last layers with early stopping monitoring validation loss -> Option D
  4. Quick Check:

    Pre-trained + early stopping = cost efficient training [OK]
Quick Trick: Fine-tune last layers + early stopping saves cost best [OK]
Common Mistakes:
  • Training large models from scratch wastes resources
  • Skipping early stopping loses cost savings
  • Training all layers fully increases cost unnecessarily

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